Airway ResistanceAsthmaAirway ObstructionAirway RemodelingBronchiRespiratory SystemBronchoconstrictionLungRespiratory MucosaPlethysmography, Whole BodyBronchial HyperreactivityLung ComplianceRespiratory MechanicsRespiratory Function TestsMethacholine ChlorideBronchoconstrictor AgentsLung Volume MeasurementsTracheaBronchodilator AgentsDrug ResistanceBronchial Provocation TestsAdministration, InhalationMuscle, SmoothPulmonary VentilationForced Expiratory VolumeInhalationBronchoalveolar Lavage FluidDrug Resistance, MicrobialHistamineEpithelial CellsRespiratory HypersensitivityDrug Resistance, BacterialSpirometryAlbuterolRespiratory Physiological PhenomenaAirway ManagementMucusNasal ObstructionFunctional Residual CapacityAir PressurePlethysmographyRhinomanometryAnti-Asthmatic AgentsHypersensitivityRespiratory SoundsEosinophilsDrug Resistance, NeoplasmAerosolsNasal MucosaIntubation, IntratrachealRespirationNoseBronchial SpasmIpratropiumCells, CulturedTidal VolumeVital CapacityBronchitisAllergensDrug Resistance, MultipleRhinometry, AcousticNasal CavityOscillometryNasal DecongestantsPositive-Pressure RespirationEpiglottisMucin 5ACDisease ResistanceLung Diseases, ObstructivePharynxCystic FibrosisRespiratory MusclesVascular ResistancePulmonary Disease, Chronic ObstructiveGuinea PigsCoughMyocytes, Smooth MuscleNasal Provocation TestsAsthma, Exercise-InducedTime FactorsInflammationMaximal Expiratory Flow-Volume CurvesMice, Inbred BALB CForced Expiratory Flow RatesDisease Models, AnimalTotal Lung CapacityDrug Resistance, Multiple, BacterialDrug Resistance, ViralSleep Apnea, ObstructiveDose-Response Relationship, DrugPneumoniaAnti-Bacterial AgentsInterleukin-13ClemastineHeliumWork of BreathingCromolyn SodiumPeak Expiratory Flow RateCystic Fibrosis Transmembrane Conductance RegulatorMouth Breathing